Ubuntu Tweak is an application designed to config Ubuntu easier for everyone. It provides many useful desktop and system options that the default desktop environment doesn’t provide. At present, it’s only designed for the Ubuntu GNOME Desktop, and always follows the newest Ubuntu distribution.What is new in 0.5.14

With PPA purge, you can downgrade all GNOME 3 related packages with just select and click, everything will be done easily.So with Ubuntu Tweak, it’s painless to try the GNOME 3 PPA.